7983650563897 has 2 divisors, whose sum is σ = 7983650563898. Its totient is φ = 7983650563896.

The previous prime is 7983650563877. The next prime is 7983650563943.

7983650563897 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5164001733136 + 2819648830761 = 2272444^2 + 1679181^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 7983650563897 - 2¹¹ = 7983650561849 is a prime.

It is not a weakly prime, because it can be changed into another prime (7983650563877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3991825281948 + 3991825281949.

It is an arithmetic number, because the mean of its divisors is an integer number (3991825281949).

Almost surely, 2^{7983650563897} is an apocalyptic number.

It is an amenable number.

7983650563897 is a deficient number, since it is larger than the sum of its proper divisors (1).

7983650563897 is an equidigital number, since it uses as much as digits as its factorization.

7983650563897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2057529600, while the sum is 76.

The spelling of 7983650563897 in words is "seven trillion, nine hundred eighty-three billion, six hundred fifty million, five hundred sixty-three thousand, eight hundred ninety-seven".